veins of vertebral column

例句：

1. 1.The doctor advised the patient to rest for several days after surgery.
   医生建议病人在手术后休息几天。
2. 2. The patient's condition improved significantly after receiving proper treatment.
   患者的病情在得到适当的治疗后明显好转。
3. 3. The researcher conducted experiments on the effects of exercise on blood pressure.
   研究者对运动对血压的影响进行了实验研究。